https://www.selleckchem.com/products/crcd2.html
6-271.8 mg·L-1 with a mean value of 255.4 mg·L-1. The hydrochemical type of the aquifer is classified as HCO3·SO4-Ca·Mg. The spring water is characterized by high Ca2+, Mg2+, and SO42- concentrations, and low Na+, K+, and Cl- concentrations. The supply path of Chengxi Spring is shortest followed by Wulong Spring. The supply paths of the remaining five spring are much longer. The Niangziguan Spring water environment is characterized by increasing pollution from coal mine acid drainage alongside decreasing inputs from domestic sewage. Envir